From 1f4f6c9832d83e7ebd65ccf4e95cef358b3512c6 Mon Sep 17 00:00:00 2001
From: S-H-GAMELINKS <gamelinks007@gmail.com>
Date: Tue, 15 Nov 2022 13:24:08 +0900
Subject: Using UNDEF_P macro

---
 transcode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'transcode.c')

diff --git a/transcode.c b/transcode.c
index e315a8f1ab..f1d871e292 100644
--- a/transcode.c
+++ b/transcode.c
@@ -2352,7 +2352,7 @@ transcode_loop(const unsigned char **in_pos, unsigned char **out_pos,
                 ec->last_error.error_bytes_len,
                 rb_enc_find(ec->last_error.source_encoding));
         rep = (*fallback_func)(fallback, rep);
-        if (rep != Qundef && !NIL_P(rep)) {
+        if (!UNDEF_P(rep) && !NIL_P(rep)) {
             StringValue(rep);
             ret = rb_econv_insert_output(ec, (const unsigned char *)RSTRING_PTR(rep),
                     RSTRING_LEN(rep), rb_enc_name(rb_enc_get(rep)));
-- 
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